@include b(one-to-many) {
  @include e(header) {
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    > h4 {
      margin: 0;
      position: relative;
      padding-left: 10px;
      font-size: 15px;
      &::before {
        content: '';
        position: absolute;
        top: 2px;
        left: 0;
        width: 4px;
        height: 12px;
        background-color: #1890FF;
      }
    }
    >.v-one-to-many__action {
      padding: 0;
    }
  }

  @include e(subWrapper) {
    >.v-one-to-many-sub {
      background-color: #f2f2f2;
      padding: 5px;
      margin-bottom: 10px;
    }
  }
}
